peritendineum

[ pĕr′ĭ-tĕn-dĭnē-əm ]

n. pl. per•i•ten•din•e•a (-ē-ə)

Any of the fibrous sheaths surrounding the primary bundles of fibers in a tendon.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.